Social media offer a great way to stay in touch with a large number of people. Of course you could say that the Bible says nothing about social media, and therefore you can do whatever you want on the Internet. However, you are also a Christian online, and charity is an integral part of this.
Excluding or bullying people on social media, or just blurting out whatever you think is really wrong. It is important to make time for ‘offline’ contact with God, your family, and your friends.